Whatever you do, do not try to polish it or clean it up in any way yet, which might wreck the value. And, if you plan to wind it and use it, get the movement cleaned, oiled and adjusted first (to avoid wear on vintage internal parts). Do not let the watchmaker polish it or change the dial, hands, or other parts except for an Omega signed crystal if the old one is cracked, otherwise the crystal can be polished. Have it water tested to be sure rain won't get inside.
Try wearing it for a while and see if you like it - you joined 4 years ago so you must have some interest in Omega, and you'd have one of the coolest Omegas on the block.
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